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Finding the Fourth Proportional to 301,508.70, 452,263.05 and 201,125.40

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Solution

The fourth proportional to 301,508.70, 452,263.05 and 201,125.40 is: 301,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,508.70 : 452,263.05 = 201,125.40 : x
  2. Step 2: Convert to fraction form
    301,508.70/452,263.05 = 201,125.40/x
  3. Step 3: Cross multiply
    301,508.70x = 452,263.05 × 201,125.40
  4. Step 4: Simplify right side
    301,508.70x = 90,961,586,836.47
  5. Step 5: Solve for x
    x = 90,961,586,836.47/301,508.70
  6. Step 6: Final answer
    x = 301,688.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.